Washita: Late/Upper Pleistocene, Oklahoma
collected 1990, 1991, 1993, 1995, 1996
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Soricidae
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cf. Sorex sp.
Linnaeus 1758
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Mammalia
- Perissodactyla
- Equidae
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Equus excelsus
Leidy 1858
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Mammalia
- Bovidae
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Bison occidentalis
Lucas 1898
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| synonym of Bison antiquus | ||||||||||
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Bootherium bombifrons
(Harlan 1825)
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| (1 measurement) | ||||||||||
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Mammalia
- Rodentia
- Geomyidae
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Thomomys sp.
Wied-Neuwied 1839
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Geomys sp.
Rafinesque 1817
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Mammalia
- Rodentia
- Cricetidae
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Arvicolinae indet.
(Gray 1821)
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| "either Synaptomys australis or Neofiber sp." | ||||||||||
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Neotoma sp.
Say and Ord 1825
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| "compares favorably to N. floridana" | ||||||||||
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Mammalia
- Rodentia
- Sciuridae
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Cynomys ludovicianus
(Ord 1815)
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Mammalia
- Lagomorpha
- Leporidae
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Sylvilagus sp.
Gray 1867
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Oklahoma | County: | Washita |
| Coordinates: | 35.4° North, 98.7° West (view map) | ||||
| Paleocoordinates: | 35.4° North, 98.7° West | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | small collection |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| Stage: | Late/Upper Pleistocene | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Late/Upper Pleistocene | ||
| Age range of interval: | 0.12900 - 0.01170 m.y. ago | ||
| Age estimate: | 16350 ± 190 YBP (14C) |
Stratigraphy
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: "bone samples from the site were radiocarbon dated... These samples yielded an average date of 16,350±190 years before present (YBP)" | |||||
Lithology and environment
| Primary lithology: | gray silty claystone |
| Lithology description: "light gray, silty clay" including two beds | |
| Environment: | terrestrial indet. |
| Glacial or sequence phase: | late glacial |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | bulk,sieve,field collection |
| Reason for describing collection: | general faunal/floral analysis | Collection dates: | 1990, 1991, 1993, 1995, 1996 |
| Taxonomic list comments:"The matrix is also rich in gastropod shells" | |
Metadata
| Database number: | 93178 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 2010-01-06 11:57:39 | Last modified: | 2010-01-14 18:31:12 |
| Access level: | the public | Released: | 2010-01-06 11:57:39 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 31481. | H. Kirkland, Jr., M. Davis, J. Wood, D. Devine, and K. Giblet. 1997. Some Late Pleistocene Fossils from Washita Local Fauna. Proceedings of the Oklahoma Academy of Sciences 77:113-115 [J. Alroy/J. Alroy/J. Alroy] |